There’s been a lot of attention paid to how Canada’s oil boom has helped make gasoline cheaper. What many people may not realize is that the boom is also driving up the prices they pay for burgers and steaks.

RadioShack Corp., the struggling electronics retailer, said it’s working with creditors and other parties to get more capital and avoid bankruptcy after posting another quarter of mounting losses and plunging sales.

U.S. retailers including Gap Inc. and L Brands Inc. posted September same-store sales that missed analysts’ estimates as a lack of new products and a choppy economy encouraged shoppers to restrain spending.

U.S. stocks fluctuated, after the benchmark index’s biggest two-day decline since June, as a report that Janet Yellen was picked to lead the Federal Reserve offset concern that the debt impasse will harm the economy.

Retail sales rose less than forecast in June as demand cooled at building materials outlets and restaurants, showing the biggest part of the U.S. economy lacked momentum as the second quarter drew to a close.